https://www.lse.ac.uk/ideas/Assets/Documents/reports/LSE-IDEAS-The-Rise-of-Insurgent-Europeanism.pdf
https://carnegieeurope.eu/2022/06/16/does-eu-need-treaty-change-pub-87330
https://theconversation.com/como-se-ha-desarrollado-y-evolucionado-la-extrema-derecha-en-europa-215943